# Graphing proportional relationships

### Problem

Tara takes her pulse in order to determine her resting heart rate, measured in beats per minute left parenthesis, b, p, m, right parenthesis. She takes it for three minutes, and makes the following chart of the results. We'll assume that Tara's heart rate is constant over the three-minute period.
Minutes123
Beats60120180
Graph the proportional relationship described above, where the x-coordinate represents minutes, and the y-coordinate represents beats.
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